2-(3-Chlorophenyl)-4-(3-(4-ethoxy-3-methoxyphenyl)-1,2,4-oxadiazol-5-yl)phthalazin-1(2H)-one CAS 1291834-77-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1291834-77-9 |
| Molecular Formula | C25H19ClN4O4 |
| Molecular Weight | 474.90 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(3-Chlorophenyl)-4-(3-(4-ethoxy-3-methoxyphenyl)-1,2,4-oxadiazol-5-yl)phthalazin-1(2H)-one (CAS 1291834-77-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C25H19ClN4O4. Molecular weight: 474.90 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C25H19ClN4O4 |
| Molecular Weight | 474.90 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
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- 2-((5-(4-Chlorophenyl)-4-(p-tolyl)-4H-1,2,4-triazol-3-yl)thio)-N-(1H-indazol-6-yl)acetamide (CAS 476485-80-0)
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Recommended Standards
- Zopiclone Impurity 3 (CAS 1076199-62-6)
- 4-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)oxy)-N-(3-(methylthio)phenyl)benzenesulfonamide (CAS 338775-32-9)
- 2-({5-(6-chloro-3-pyridyl)-4-[3-(trifluoromethyl)phenyl]-4H-1,2,4-triazol-3-yl}thio)-1-phenylethan-1-one (CAS 680217-01-0)
- D-Proline-13C5,15N (CAS 1331908-17-8)
- 3-Bromo-2-phenylfuro[2,3-b]quinoxaline (CAS 88051-11-0)
- N-(3,4-dibromo-1H-pyrazol-5-yl)-2-fluorobenzamide (CAS 649578-34-7)
- 3-(3-Isopropoxy-3-oxopropyl)-6-oxopiperidine-3-carboxylic acid (CAS 361374-30-3)
- Atrasentan Impurity 185 (CAS CATO-C4X-3347185)
- 1-(Thiazol-2-yl)propan-1-one (CAS 43039-98-1)
- D-[Val]10-Semaglutide (CAS CATO-CPTD788630)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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